SUSE Security Summary Report SUSE-SR:2005:021
Posted on: 09/30/2005 08:22 AM

A security announcement from SUSE

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______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2005:021
Date: Fri, 30 Sep 2005 14:00:00 +0000
Cross-References: CAN-2005-0941, CAN-2005-2558, CAN-2005-2794
CAN-2005-2796, CAN-2005-2876

Content of this advisory:
1) Solved Security Vulnerabilities:
- storeBackup insecure /tmp usage and permissions
- squid remote denial of service problems
- mysql stack overflow in function handling
- util-linux umount privilege escalation
- OpenOffice_org version upgrade
- mediawiki cross site scripting problems
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
None
3) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Solved Security Vulnerabilities

To avoid flooding mailing lists with SUSE Security Announcements for minor
issues, SUSE Security releases weekly summary reports for the low profile
vulnerability fixes. The SUSE Security Summary Reports do not list md5 sums
or download URLs like the SUSE Security Announcements that are released for
more severe vulnerabilities.

Fixed packages for the following incidents are already available on our FTP
server and via the YaST Online Update.

- storeBackup insecure /tmp usage and permissions

This update upgrades storeBackup to version 1.19 and fixes following
security issues:
- storeBackup used insecure /tmp filenames.
- storeBackup used insecure (world readable) file permissions for
the backup root.

Only SUSE Linux retail products contain storeBackup and are affected.

- squid remote denial of service problems

The web proxy squid was updated to fix two remotely exploitable
denial of service vulnerabilities. One can be triggered by aborting a
request and the other one occurs in sslConnectTimeout while handling
malformed requests.

This is tracked by the Mitre CVE IDs CAN-2005-2794 and CAN-2005-2796.

All SUSE Linux based products containing squid are affected.

- mysql stack overflow in function handling

This update fixes a stack-based buffer overflow in MySQL's init_syms
function that can be exploited by authenticated users with the
privilege to create user-defined functions.

This is tracked by the Mitre CVE ID CAN-2005-2558.

All SUSE Linux based products including mysql are affected.

- util-linux umount privilege escalation

The remount option of umount allowed local users to clear certain
security relevant flags such as the nosuid flag.

This is tracked by the Mitre CVE ID CAN-2005-2876. All SUSE Linux
based products are affected by this problem.

- OpenOffice_org version upgrade

OpenOffice.org on SUSE Linux 9.3 was upgraded to 2.0 Beta Milestone m125.
This includes a large number of bug fixes in all areas.

This update also fixes a buffer overflow in the MS Word document
reader. By creating a specially crafted Word document a remote
attacker could exploit this bug to execute arbitrary code under
the user id of the user viewing the document (CAN-2005-0941).

Note that this version will save files in the new, final XML format
that cannot be read by the original SUSE Linux 9.3 version.
Files saved with the original 9.3 version can be read without problems.

- Mediawiki cross site scripting problems

More cross site scripting problems were found in MediaWiki. The
problems fixed in the 1.4.9 release have been back ported and are
included in this security update.
Only SUSE Linux 9.3 contains MediaWiki.

______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

None
______________________________________________________________________________

3) Authenticity Verification and Additional Information

- Announcement authenticity verification:

SUSE security announcements are published via mailing lists and on Web
sites. The authenticity and integrity of a SUSE security announcement is
guaranteed by a cryptographic signature in each announcement. All SUSE
security announcements are published with a valid signature.

To verify the signature of the announcement, save it as text into a file
and run the command

gpg --verify lt;filegt;

replacing lt;filegt; with the name of the file containing the announcement.
The output for a valid signature looks like:

gpg: Signature made lt;DATEgt; using RSA key ID 3D25D3D9
gpg: Good signature from "SuSE Security Team lt;security@suse.degt;"

where lt;DATEgt; is replaced by the date the document was signed.

If the security team's key is not contained in your key ring, you can
import it from the first installation CD. To import the key, use the
command

gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc

- Package authenticity verification:

SUSE update packages are available on many mirror FTP servers all over the
world. While this service is considered valuable and important to the free
and open source software community, the authenticity and integrity of a
package needs to be verified to ensure that it has not been tampered with.

The internal RPM package signatures provide an easy way to verify the
authenticity of an RPM package. Use the command

rpm -v --checksig lt;file.rpmgt;

to verify the signature of the package, replacing lt;file.rpmgt; with the
filename of the RPM package downloaded. The package is unmodified if it
contains a valid signature from build@suse.de with the key ID 9C800ACA.

This key is automatically imported into the RPM database (on RPMv4-based
distributions) and the gpg key ring of 'root' during installation. You can
also find it on the first installation CD and included at the end of this
announcement.

- SUSE runs two security mailing lists to which any interested party may
subscribe:

suse-security@suse.com
- General Linux and SUSE security discussion.
All SUSE security announcements are sent to this list.
To subscribe, send an e-mail to
lt;suse-security-subscribe@suse.comgt;.

suse-security-announce@suse.com
- SUSE's announce-only mailing list.
Only SUSE's security announcements are sent to this list.
To subscribe, send an e-mail to
lt;suse-security-announce-subscribe@suse.comgt;.

For general information or the frequently asked questions (FAQ)
send mail to lt;suse-security-info@suse.comgt; or
lt;suse-security-faq@suse.comgt;.

=====================================================================
SUSE's security contact is lt;security@suse.comgt; or lt;security@suse.degt;.
The lt;security@suse.degt; public key is listed below.
=====================================================================
______________________________________________________________________________

The information in this advisory may be distributed or reproduced,
provided that the advisory is not modified in any way. In particular, the
clear text signature should show proof of the authenticity of the text.

SUSE Linux Products GmbH provides no warranties of any kind whatsoever
with respect to the information contained in this security advisory.

Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team lt;security@suse.degt;
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key lt;build@suse.degt;

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